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What exactly does big Ө notation represent?
...iven function.
For example, if it is Ө(n), then there is some constant k, such that your function (run-time, whatever), is larger than n*k for sufficiently large n, and some other constant K such that your function is smaller than n*K for sufficiently large n.
In other words, for sufficiently...
Python Dictionary Comprehension
Is it possible to create a dictionary comprehension in Python (for the keys)?
8 Answers
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How to make MySQL handle UTF-8 properly
One of the responses to a question I asked yesterday suggested that I should make sure my database can handle UTF-8 characters correctly. How I can do this with MySQL?
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JS: iterating over result of getElementsByClassName using Array.forEach
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Tim DownTim Down
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How to echo shell commands as they are executed
... the same effect as set -x (or -v) later in the script.
The above also works with /bin/sh.
See the bash-hackers' wiki on set attributes, and on debugging.
$ cat shl
#!/bin/bash
DIR=/tmp/so
ls $DIR
$ bash -x shl
+ DIR=/tmp/so
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How do I remove newlines from a text file?
...'\n' < yourfile.txt
Edit:
If none of the commands posted here are working, then you have something other than a newline separating your fields. Possibly you have DOS/Windows line endings in the file (although I would expect the Perl solutions to work even in that case)?
Try:
tr -d "\n\r" &l...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
...edited Jul 24 '17 at 20:28
Pratik Khadloya
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answered Aug 26 '10 at 0:21
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Adding the little arrow to the right side of a cell in an iPhone TableView Cell
...ed Jun 12 '11 at 15:40
EmptyStackEmptyStack
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How to print a number with commas as thousands separators in JavaScript
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I used the idea from Kerry's answer, but simplified it since I was just looking for something simple for my specific purpose. Here is what I did:
function numberWithCommas(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
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array_push() with key value pair
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Rob♦
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answered Aug 30 '09 at 22:22
dusoftdusoft
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